12730820278 has 8 divisors (see below), whose sum is σ = 20832251400. Its totient is φ = 5786736480.

The previous prime is 12730820269. The next prime is 12730820309. The reversal of 12730820278 is 87202803721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12730820278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289336803 + ... + 289336846.

It is an arithmetic number, because the mean of its divisors is an integer number (2604031425).

Almost surely, 2^12730820278 is an apocalyptic number.

12730820278 is a deficient number, since it is larger than the sum of its proper divisors (8101431122).

12730820278 is a wasteful number, since it uses less digits than its factorization.

12730820278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578673662.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 12730820278 in words is "twelve billion, seven hundred thirty million, eight hundred twenty thousand, two hundred seventy-eight".